SOLUTION: I have some more practice workbook questions I need help with. Graphing a parabola of the form y = (x-a)2 + c. y=(x+2)^2-1 Can anyone explain what points need to be plotted?

SOLUTION: I have some more practice workbook questions I need help with. Graphing a parabola of the form y = (x-a)2 + c. y=(x+2)^2-1 Can anyone explain what points need to be plotted?

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Question 806785: I have some more practice workbook questions I need help with. Graphing a parabola of the form y = (x-a)2 + c.
y=(x+2)^2-1
Can anyone explain what points need to be plotted?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
y = x^2+4 x+3
the vertex
vertex | (-2, -1)
and when y=0
factors are
(x+1) (x+3)
x=-1 and x=-3
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